Pattern 22: LeetCode Interview Patterns24 sections · 736 units
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Quiz: Prefix Sum Relationship

Test your understanding

Check Your Understanding

If the prefix sum at index j is 10 and k = 3, what prefix sum value at an earlier index would indicate a valid subarray ending at j?

  1. A.7
  2. B.13
  3. C.10
  4. D.3
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